The Detective Is Already Dead Season 2

"You, become my assistant." Kimizuka Kimihiko, a boy prone to getting involved in trouble, became the assistant of Siesta, a girl known as "The Great Detective," who was fighting "Enemies of the World" aboard an airplane flying ten thousand meters above the ground. For three years, the two traveled around the world, engaging in dazzling adventures, and after intense battles—they were separated by death. One year after Siesta's death, Natsunagi Nagisa, a girl claiming to be a client, appears before Kimihiko, who is left behind alone. Accepting her request and becoming an assistant again, Kimihiko eventually uncovers the truth behind "The Great Detective's" death— However, upon learning this truth, Kimihiko and his companions come to understand the mistake made by the flawless detective, and the true meaning of inheriting "The Great Detective's" will. The detective is already dead. The truth behind their death has been revealed. But it's still too early for the epilogue.